Finding the Fourth Proportional to 6,227,911.05, 9,343,342.80 and 3,195,744.90
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Solution
The fourth proportional to 6,227,911.05, 9,343,342.80 and 3,195,744.90 is: 4,794,374.85
Step by Step Solution
- Step 1: Write the proportion equation
6,227,911.05 : 9,343,342.80 = 3,195,744.90 : x - Step 2: Convert to fraction form
6,227,911.05/9,343,342.80 = 3,195,744.90/x - Step 3: Cross multiply
6,227,911.05x = 9,343,342.80 × 3,195,744.90 - Step 4: Simplify right side
6,227,911.05x = 29,858,940,102,051.72 - Step 5: Solve for x
x = 29,858,940,102,051.72/6,227,911.05 - Step 6: Final answer
x = 4,794,374.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.